Smart bandage uses nanosensors to 'glow' when there's an infection

Once a wound has been thoroughly cleaned and patched up, it is covered with a bandage that, more often than not, should remain in place for a while to protect the wound from pathogens. Despite being cleaned, however, there’s always the chance that an infection will form regardless, and that’s where a new type of ‘smart’ bandage comes in. The …